KR20120063280A - 조강 특성을 발휘하는 이산화탄소 저감형 고기능성 결합재 조성물 - Google Patents
조강 특성을 발휘하는 이산화탄소 저감형 고기능성 결합재 조성물 Download PDFInfo
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/16—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing anhydrite, e.g. Keene's cement
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/142—Steelmaking slags, converter slags
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/05—Materials having an early high strength, e.g. allowing fast demoulding or formless casting
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
도 2는 실시예 1~3, 비교예 2~4에 대한 각각의 콘크리트 슬럼프(slump) 특성을 비교한 그래프이고,
도 3은 실시예 1~3, 비교예 2~4에 대한 각각의 콘크리트 압축강도를 비교한 그래프이고,
도 4는 실시예 1~3, 비교예 2~4에 대한 각각의 콘크리트 염분확산계수를 비교한 그래프이다.
분체 배합 조건 (wt%) | |||||||||
보통포틀랜드시멘트 | 고로스르래그미분말 | 플라이애시 | 클링커더스트 | CSA | 이형무수석고 | 소석회 | 인산염 마그네시아 | 석회석 | |
실시예 1 | 10 | 54 | 20 | 5 | 1 | 4 | 5 | 1 | |
실시예 2 | 10 | 54 | 20 | 5 | 2 | 3 | 5 | 1 | |
실시예 3 | 20 | 56 | 10 | 5 | 1 | 4 | 3 | 1 | |
실시예 4 | 20 | 46 | 20 | 5 | 2 | 3 | 3 | 1 | |
비교예 1 | 100 | ||||||||
비교예 2 | 40 | 40 | 20 | ||||||
비교예 3 | 30 | 40 | 30 | ||||||
비교예 4 | 10 | 70 | 20 | ||||||
비교예 5 | 20 | 60 | 20 | ||||||
비교예 6 | 10 | 60 | 20 | 5 | 2 | 3 | |||
비교예 7 | 20 | 55 | 20 | 5 | |||||
비교예 8 | 10 | 54 | 20 | 2 | 3 | 5 | 1 | 5 | |
비교예 9 | 10 | 65 | 20 | 1 | 4 | ||||
비교예 10 | 10 | 60 | 20 | 3 | 2 | 5 |
모르타르 압축강도 (MPa) | |||
1일 | 3일 | 28일 | |
실시예 1 | 8.3 | 22.6 | 42.1 |
실시예 2 | 8.9 | 21.4 | 41.5 |
실시예 3 | 6.0 | 25.3 | 49.2 |
실시예 4 | 5.7 | 24.2 | 48.4 |
비교예 1 | 17.5 | 34.1 | 58.3 |
비교예 2 | 7.0 | 19.3 | 55.6 |
비교예 3 | 4.9 | 14.6 | 46.9 |
비교예 4 | 4.3 | 11.2 | 30.7 |
비교예 5 | 4.2 | 13.2 | 44.9 |
비교예 6 | 8.6 | 16.9 | 29.9 |
비교예 7 | 3.1 | 16.1 | 44.1 |
비교예 8 | 6.9 | 18.4 | 27.3 |
비교예 9 | 5.5 | 18.9 | 29.5 |
비교예 10 | 1.9 | 13.3 | 34.0 |
화학성분(중량비) | 분말도 (㎠/g) |
|||||||||
SiO2 | Al2O3 | Fe2O3 | CaO | MgO | SO3 | K2O | Na2O | 강열 감량 |
||
클링커 더스트 |
10.06 | 3.92 | 2.59 | 38.59 | 2.73 | 2.00 | 3.67 | 0.28 | 36.24 | 10,000 |
석회석 미분말 |
1.10 | 0.56 | 0.06 | 54.76 | 0.30 | 0.28 | - | - | 40.83 | 10,000 |
배합명 | 실시예 1 | 실시예 3 | 비교예 1 | 비교예 2 | 비교예 3 |
72시간 누적수화열 (J/g) |
133.04 | 140.49 | 266.71 | 152.30 | 141.49 |
배합명 | W/B (%) |
S/a (%) |
Binder (kg/m3) |
WR제 (kg/m3) |
slump (mm) |
Air (%) |
콘크리트 압축강도 (MPa) | ||
3일 | 7일 | 28일 | |||||||
실시예 1 | 47.9 | 47.0 | 334 | 2.75 | 190 | 4.0 | 11.7 | 21.6 | 28.3 |
실시예 2 | 190 | 4.1 | 12.2 | 20.9 | 27.9 | ||||
실시예 3 | 200 | 4.3 | 11.2 | 21.1 | 31.6 | ||||
비교예 2 | 180 | 4.7 | 9.8 | 16.9 | 30.5 | ||||
비교예 3 | 170 | 4.3 | 6.8 | 14.5 | 26.7 | ||||
비교예 4 | 200 | 4.2 | 5.7 | 12.7 | 20.7 |
Claims (4)
- 보통포틀랜드 시멘트(portland cement) 10~20중량%, 고로슬래그(blast furnace slag) 미분말 30~80중량%, 플라이애시(fly ash) 5~30중량%, 소석회 1~5중량%, 칼슘설포알루미네이트(4CaO?3Al2O3?SO3)계 화합물(CSA)과 이형무수석고(CaSO4)를 포함하는 혼합물 1~10중량%, 클링커 더스트(clinker dust) 1~10중량% 및 인산염 마그네시아(magnesia) 1~3중량%를 포함하는 조강 특성을 발휘하는 CO2 저감형 고기능성 콘크리트용 결합재 조성물.
- 제 1항에 있어서, 상기 CSA와 이형무수석고의 중량비는 1: 1~4인 것을 특징으로 하는 조강 특성을 발휘하는 CO2 저감형 고기능성 콘크리트용 결합재 조성물.
- 제 1항에 있어서, 상기 클링커 더스트의 브레인(blaine) 비표면적은 8,000~12,000 ㎠/g, SO3 함량은 2~5중량%, K2O+Na2O 함량은 1~5중량%인 것을 특징으로 하는 조강 특성을 발휘하는 CO2 저감형 고기능성 콘크리트용 결합재 조성물.
- 제 1항에 있어서, 상기 결합재 조성물은 초기 재령 3일 후 누적수화열이 150 J/g 이하이고, 모르타르 압축강도가 재령 3일에서 20~30 MPa, 재령 28일에서 40~60 MPa 범위인 것을 특징으로 하는 조강 특성을 발휘하는 CO2 저감형 고기능성 콘크리트용 결합재 조성물.
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101242568B1 (ko) * | 2012-11-14 | 2013-03-19 | 주식회사 백중개발 | 산업용 부산물인 바텀애쉬와 인산석고를 재활용하여 육상 또는 해상용으로 사용되는 블록 조성물 |
CN103145396A (zh) * | 2013-02-26 | 2013-06-12 | 上海建为建筑修缮工程有限公司 | 一种水泥混凝土路面多功能快速修补材料及其制备方法 |
KR101455628B1 (ko) * | 2014-05-14 | 2014-10-28 | (주)아리터 | 콘크리트 구조물 보수 보강용 속경 모르타르 조성물 및 이를 이용한 콘크리트 구조물의 보수 보강 공법 |
KR101461190B1 (ko) * | 2014-03-17 | 2014-11-18 | 주식회사 인트켐 | 자기치유 터널 라이닝 콘크리트 |
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CN118005339A (zh) * | 2024-01-12 | 2024-05-10 | 山东大学 | 一种基于矿渣、硅铝化合物与co2废气制备混凝土的方法 |
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KR102468337B1 (ko) | 2022-08-19 | 2022-11-17 | 한국세라믹기술원 | 무기 재생 산업부산물을 이용한 이산화탄소와 반응 경화하는 기경성 결합재 및 이를 이용한 저탄소형 콘크리트 2차제품의 제조방법 |
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KR100667631B1 (ko) | 2005-11-29 | 2007-01-12 | 주식회사 인트켐 | 초기강도 증진용 콘크리트 혼화제 및 콘크리트 조성물 |
KR100725030B1 (ko) | 2006-02-16 | 2007-06-07 | 주식회사 인트켐 | 초기강도 증진용 콘크리트 액상 혼화제 및 콘크리트 조성물 |
JP2010155739A (ja) | 2008-12-26 | 2010-07-15 | Taiheiyo Materials Corp | 超軽量モルタル |
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KR101242568B1 (ko) * | 2012-11-14 | 2013-03-19 | 주식회사 백중개발 | 산업용 부산물인 바텀애쉬와 인산석고를 재활용하여 육상 또는 해상용으로 사용되는 블록 조성물 |
CN103145396A (zh) * | 2013-02-26 | 2013-06-12 | 上海建为建筑修缮工程有限公司 | 一种水泥混凝土路面多功能快速修补材料及其制备方法 |
CN103145396B (zh) * | 2013-02-26 | 2015-04-01 | 上海建为建筑修缮工程有限公司 | 一种水泥混凝土路面多功能快速修补材料及其制备方法 |
KR20150049665A (ko) * | 2013-10-30 | 2015-05-08 | 대림산업 주식회사 | 저점성 수화 균열 저감형 매스콘크리트 조성물 |
KR101461190B1 (ko) * | 2014-03-17 | 2014-11-18 | 주식회사 인트켐 | 자기치유 터널 라이닝 콘크리트 |
KR101455628B1 (ko) * | 2014-05-14 | 2014-10-28 | (주)아리터 | 콘크리트 구조물 보수 보강용 속경 모르타르 조성물 및 이를 이용한 콘크리트 구조물의 보수 보강 공법 |
KR102027859B1 (ko) * | 2019-05-09 | 2019-10-02 | 홍경자 | 소석회를 이용한 아스팔트 콘크리트용 고강도 채움재 조성물 |
CN118005339A (zh) * | 2024-01-12 | 2024-05-10 | 山东大学 | 一种基于矿渣、硅铝化合物与co2废气制备混凝土的方法 |
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